stickball vs baseball

stickball and baseball both are nouns.

Word	Noun	Adjective	Verb	Adverb
stickball	Yes	No	No	No
baseball	Yes	No	No	No

As nouns, baseball is a hypernym of stickball; that is, baseball is a word with a broader meaning than stickball:

stickball: a form of baseball played in the streets with a rubber ball and broomstick handle
baseball: a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs

Other hypernyms of stickball include ball, baseball game.

stickball (noun)	baseball (noun)
a form of baseball played in the streets with a rubber ball and broomstick handle	a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs
	a ball used in playing baseball